What is Type 27 depressed center?

Depressed center wheels are sometimes referred to as raised hub wheels or by their shape designation Type 27. The depressed center design allows the flange/lock nut to recess within the grinding wheel so that it can be used for various grinding and cutting applications.

What grit is Type 27 grinding?

30 Grit
Bosch Type 27 Grinding Wheel, 30 Grit, 4-1/2″ x 1/4″ x 7/8″

What is Type 27 cut off wheel?

Type 27 Cut-Off and Grinding Wheels Cut-off wheels cut or notch these surfaces. Wheels are used with power tools and industrial machines such as angle grinders or bench grinders. Cup grinding wheels are used in applications such as smoothing welding seams and preparing surfaces for painting.

What is depressed center grinding wheel?

A depressed center grinding wheel is engineered to keep mounting hardware out of the process to help deliver precision cutting every time. These cutting wheel products can be used in the grinding of castings, weld beads, flash or parting lines and metal part defects.

What is the difference between a Type 27 and Type 29 flap disc?

Flap Discs Type 27 is used for grinding the plane and outside corners. In the bucket program we see lots of Type 27 discs used only on the edges so the recommendation is to switch to a Type 29 disc. A Type 29 flap disc is referred to as a curved disc. It is best used at a 15-25 degree angle.

Why do many people use Type 27 wheel guards when cutting with a cutting wheel?

Explanation: Type 27 & 28 guards are open on the bottom to allow for side grinding with raised hub/depressed center wheels. When side grinding with the Type 27 or Type 28 wheel, the work piece acts as a portion of the guard, protecting the operator in the event of a wheel breakage.

What is the difference between Type 27 and Type 29 flap disc?

What is the difference between a Type 1 and Type 27 cutting wheel?

The Type 1 will give the maximum number of cuts and is usually the cheapest to buy. It must be used at a 90 degree angle, any deviation from this will result in breakage, which happens frequently. A Type 27 Cut Off Wheel is often referred to as a depressed center wheel.

What does Type 28 grinding wheel mean?

Fast Grinding Aluminum oxide grain. Soft bond for fast stock removal. Use this saucer shape (Type 28) for uniform grinding of large flat surfaces.

What is the difference between a Type 1 and Type 27 grinding wheel?

What are the types of grinding wheels?

Tapered wheel: It finds its usage for grinding of thread and gear teeth. Straight cup: It finds its usage for the cutting of tools and cutter grinders. Dish cup: It finds its usage for cutter grinder and jig grinder. Saucer wheel: It finds its usage for grinding of miller cutters and twist drills.

What is a Type 27 angle grinder blade?

Type 27 Wheel – A saucer/center depressed shaped wheel intended for grinding on the face of the wheel used with angle grinders fitted with the appropriate guard.

What is a Type 27 flap disc?

A Type 27 flap disc is referred to as a flat disc. It is best used at a 0-15 degree angle. Type 27 is used for grinding the plane and outside corners. In the bucket program we see lots of Type 27 discs used only on the edges so the recommendation is to switch to a Type 29 disc.

What is a Type 42 abrasive wheel?

Type of Abrasive Wheel The wheel type signifies the wheel’s shape- this is marked as an ISO number e.g. ISO Type 27 – Reinforced Depressed Centre Grinding Wheels. Type 41 – Reinforced Flat Cut Off Wheels. Type 42 – Reinforced Depressed Centre Cut Off Wheels.

What is the difference between Type 1 and Type 27?